package train.DAY624;

public class LianXi {
    public static void main(String[] args) {
        LianXi lianXi = new LianXi();
        System.out.println(lianXi.sum(1, 2));
    }
    public int sum(int x,int y){
        int i = sum1(x, y);
        System.out.println("sum里面的");
        return i;
    }

    public int sum1(int x,int y){
        System.out.println("sum1里面的");
        return x+y;
    }
}
